STEVEN W. LO M.D.
NPI 1588971972
Anesthesiology in Bellaire, TX

Active since September 07, 2010PECOS EnrolledAccepts Medicare Assignment
4436 VALERIE ST, BELLAIRE, TX 77401(713) 855-1889 Get Directions Write a Review

NPPES record last updated: August 10, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Steven W. Lo M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEVEN W. LO M.D. (NPI 1588971972) is an individual anesthesiology provider in Bellaire, Texas, licensed in Texas (BP10034850) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS, is affiliated with Ad Hospital East, Llc, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1588971972
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameSTEVEN W. LOCredential: M.D.
Location Address4436 VALERIE STBellaire, TX 77401-5627
Mailing Address4436 Valerie StBellaire, TX 77401-5627 · (713) 855-1889
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateSeptember 7, 2010
Last NPPES UpdateAugust 10, 2016
✔ NPI 1588971972 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in TX · BP10034850
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
4436 VALERIE ST, Bellaire, TX 77401

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Steven W. Lo M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466693601
PECOS Enrollment IDI20130730000742
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

7

Medicare enrollment records show Steven Lo reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
4200 TWELVE OAKS DR
Houston, TX 77027
  • Reassigned Medicare billing, Texas enrollment
  • 139 clinicians in this Medicare group
Anesthesiology
510 W TIDWELL RD
Houston, TX 77091
  • Reassigned Medicare billing, Texas enrollment
  • 319 clinicians in this Medicare group
Anesthesiology
7010 CHAMPIONS PLAZA DR STE 400
Houston, TX 77069
  • Reassigned Medicare billing, Texas enrollment
  • 260 clinicians in this Medicare group
Anesthesiology
16750 RED OAK DR
Houston, TX 77090
  • Reassigned Medicare billing, Texas enrollment
  • 98 clinicians in this Medicare group
Anesthesiology
333 N TEXAS AVE
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 403 clinicians in this Medicare group
Anesthesiology
333 N TEXAS AVE STE 1000
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 543 clinicians in this Medicare group
Anesthesiology
17207 KUYKENDAHL RD, SUITE 220
Spring, TX 77379
  • Reassigned Medicare billing, Texas enrollment
  • 220 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ad Hospital East, LLC

Acute Care Hospitals · Houston, TX
OwnershipProprietary
CMS Certification Number670102
Location12950 East Freeway, Suite 100Houston, TX 77015 · Harris County
Emergency services

Altus Baytown Hospital

Acute Care Hospitals · Baytown, TX
OwnershipPhysician
CMS Certification Number670109
Location1626 W Baker RoadBaytown, TX 77521 · Harris County
Emergency services

Townsen Memorial Hospital

Acute Care Hospitals · Humble, TX
OwnershipVoluntary non-profit - Private
CMS Certification Number670266
Location1475 Fm 1960 Bypass EHumble, TX 77338 · Harris County

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Steven Lo's NPI number?

The NPI number for Steven Lo is 1588971972. It was assigned to this individual provider in the NPPES registry on September 7, 2010.

Where is Steven Lo located?

Steven Lo practices at 4436 Valerie St, Bellaire, TX 77401. The listed phone number is (713) 855-1889.

What is Steven Lo's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Steven Lo enrolled in Medicare?

Yes. Steven Lo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Steven Lo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steven Lo reassigns Medicare benefits to 7 organizations: Advanced Surgeons & Physicians Network, Inc. (Houston, TX), Dynamic Anesthesia Providers PLLC (Houston, TX), Northwest Anesthesiology & Pain Services, P.A. (Houston, TX), Apex Frontier Group, PLLC (Houston, TX), Compass Anesthesia Providers PLLC (Webster, TX) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Lo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Steven Lo accept?

Health plans from Blue Cross and Blue Shield of Texas list Steven Lo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Steven Lo affiliated with any hospitals?

According to CMS data, Steven Lo is affiliated with Ad Hospital East, LLC, Altus Baytown Hospital and Townsen Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Steven Lo was last updated on August 10, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.